61160559 has 4 divisors (see below), whose sum is σ = 81547416. Its totient is φ = 40773704.

The previous prime is 61160549. The next prime is 61160573. The reversal of 61160559 is 95506116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61160559 - 2⁷ = 61160431 is a prime.

It is a super-2 number, since 2×61160559² = 7481227954384962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61160549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10193424 + ... + 10193429.

It is an arithmetic number, because the mean of its divisors is an integer number (20386854).

Almost surely, 2^61160559 is an apocalyptic number.

61160559 is a deficient number, since it is larger than the sum of its proper divisors (20386857).

61160559 is a wasteful number, since it uses less digits than its factorization.

61160559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20386856.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 61160559 is about 7820.5216577924. The cubic root of 61160559 is about 393.9947928057.

The spelling of 61160559 in words is "sixty-one million, one hundred sixty thousand, five hundred fifty-nine".